发明人冯建国,孙丽萍,高志强. "Method for the Synthesis of N-(2-Chlorophenyl)-2-hydrazinyl-5-nitrobenzene-1-sulfonamide" [P]. 中国发明专利, 专利号 CN 109296349 A, 授权公告日 2023-03-07.
发明人马晓峰,胡光,张德明. "A Process for Preparing High-Purity N-(2-Chlorophenyl)-2-hydrazinyl-5-nitrobenzene-1-sulfonamide" [P]. 中国发明专利, 专利号 CN 109783988 B, 授权公告日 2021-11-24.
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